CN111367499A - Product demand definition and tracing method based on standard index library - Google Patents

Product demand definition and tracing method based on standard index library Download PDF

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CN111367499A
CN111367499A CN202010198400.3A CN202010198400A CN111367499A CN 111367499 A CN111367499 A CN 111367499A CN 202010198400 A CN202010198400 A CN 202010198400A CN 111367499 A CN111367499 A CN 111367499A
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曹平
王博甲
王旭峰
陈晨
张韶琳
曹大理
闫鑫
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China Aero Polytechnology Establishment
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Abstract

The invention provides a product requirement defining and tracing method based on a standard index library, which comprises the following steps: s1: establishing data connection: storing the structured data of the standard indexes in a relational database, and establishing access connection between the relational database and a demand management tool; s2: and (3) standard index retrieval: opening a demand management tool, selecting demand items to be defined, and returning a retrieval result according to keyword information; s3: and (3) standard index comparison: obtaining one or more standard indexes according to a retrieval result obtained by the keyword retrieval; s4: selecting standard indexes: and selecting one standard index with the highest standard conformity value as a requirement item to be defined. The invention enables the product requirement definition stage to be scientific and convenient to quote the standard terms, and can quickly retrieve and select the required standard indexes when the standard indexes are quoted.

Description

Product demand definition and tracing method based on standard index library
Technical Field
The invention belongs to the technical field of standardization and information, and particularly relates to a product demand definition and tracing method based on a standard index library.
Background
The standard is a normative document, agreed upon and approved by a recognized agency, commonly used and reused for the best sequence within a certain range.
For product design, the requirement definition comes from various channels, and the standards provide requirements for products in the dimensions of technology, management, guarantee and the like and can be used as requirement input items. The standard traditional use mode is that standard paper or electronic text is adopted, a large amount of time and labor cost are consumed for searching standard index terms, the efficiency of a demand definition stage is not improved, and the demand source is difficult to control and trace.
Therefore, a product requirement definition and tracing method based on a standard index library is needed to perform structural reference on standard index terms, so that standard requirements can be referred more finely in a requirement definition stage, interoperability of requirements and standards is improved, an application mode of the standards is changed, and accuracy, efficiency and effect of requirement definition are improved.
Disclosure of Invention
The invention provides a product requirement definition method based on a standard index library aiming at the use limitation of text standards. The method is based on a structured, parameterized and schematized database of criteria indicators. The standard index database is connected with the demand management tool, index data in the standard index database can be conveniently retrieved and selected through the demand management tool, and a proper standard index can be automatically inserted into a specified position of a demand document in the demand management tool to form an automatic standard demand definition process. Meanwhile, the standard index library is convenient for tracing the demand, and can reversely locate the standard index and the affiliated standard information from the demand item to form a product demand definition and tracing full-flow loop based on the standard index library.
The invention is realized by the following steps:
specifically, the invention provides a product requirement definition and tracing method based on a standard index library, which comprises the following steps:
s1: establishing data connection: storing the structured data of the standard index in a relational database, establishing access connection between the relational database and a demand management tool, configuring a connection interface, establishing connection between the standard index database containing demand items to be defined and the demand management tool, and adding an access interface of a standard index retrieval interface in the demand management tool;
s2: and (3) standard index retrieval: opening a demand management tool, selecting demand items to be defined, finding a standard index retrieval interface in the demand management tool, inputting keyword retrieval standard index data of the demand items to be defined, accessing a standard index database by the demand management tool, and returning a retrieval result according to keyword information;
s3: and (3) standard index comparison: obtaining one or more standard indexes according to a retrieval result obtained by keyword retrieval, when the standard indexes are multiple, comparing the contents of the multiple standard indexes, selecting standard index data to be compared in the comparison process, adding all the standard index data to be compared into a standard index comparison list, and respectively comparing the attribute contents of the standard indexes to obtain a comparison result, wherein the specific standard index comparison method comprises the following steps:
comparing the standard indexes, determining the weight coefficient values of all attributes of the standard indexes by adopting an analytic hierarchy process, calculating a demand conformance result of each standard index through a standard index comparison calculation model, and selecting one standard index with the highest demand conformance as the final standard index;
the standard index comparison calculation model is as follows:
Figure BDA0002418455200000021
in the formula: sigmaiA weight coefficient being an attribute of the standard index; x is the number ofiThe standard indexes are attributes of the standard indexes, and the attributes of the standard indexes comprise an index name x1, an index clause x2, a standard name x3, an index value x4, an index chart x5, a test method x6, a product name x7, a superior product x8 and a test method chart x 9;
the method for determining the weight coefficient value of each attribute of the standard index comprises the following steps:
a. determining a relative importance judgment matrix of the standard index and carrying out consistency check according to the relative weight ratio of the coefficient and the consistency check rule by constructing an analytic hierarchy process model to obtain a weight coefficient sigma of the attribute of the standard indexiThe standard index importance weight coefficient vector matrix is as follows:
Figure BDA0002418455200000022
Figure BDA0002418455200000031
b. verifying the weight coefficient of the standard index importance weight coefficient vector matrix: in the analytic hierarchy process model, the consistency ratio is 0.0484, and a target coefficient 1.0000 conforming to the analytic hierarchy process model is obtained by calculation according to the standard index importance weight coefficient vector; λ max is 9.5651; proving that the weight coefficient of the matrix meets the requirement;
c. obtaining a weight coefficient sigma of an attribute of a standard indexiAs shown in the following table:
index attribute Weight coefficient
Index name 0.2126
Terms of the index 0.2045
Standard name 0.1554
Product name 0.111
Index value 0.0945
Superior product 0.0924
Index chart 0.0587
Test method 0.0411
Test method chart 0.0299
S4: selecting standard indexes: and selecting a standard index with the highest standard conformity value as a requirement item to be defined, and if the clause requirement of the selected standard index is not completely suitable for the requirement, cutting or modifying the clause content of the standard index according to the actual condition.
Preferably, the data of the standard index library is structured and processed to form structured data in the form of standard indexes, and the structured data is stored in a relational database for being applied to the requirement definition stage, so that the requirement management tool can be conveniently connected and accessed.
Preferably, the requirement management tool stores requirement files, is used for requirement definition, authority management and state management, and can perform standard index database access, standard index retrieval and standard index selection.
Preferably, the standard retrieval adopts a mode comprising full-library retrieval and conditional retrieval, wherein the full-library retrieval is to retrieve standard index information according to keywords; the retrieval conditions that can be used for the condition retrieval include a standard name, a standard number, an index name, index terms, an index value, a higher-level index, a chapter number, a product name, and a higher-level product.
Preferably, the attributes of the standard indexes comprise index information, associated information, the affiliated standard system and a standard passing condition, wherein the index information comprises a product name, a superior product, a chapter number, an index name, a superior index, an index value, an index clause, an index chart, a test method chapter number, a test method chart and a test method; the associated information comprises experience training, cost information and risk information; the belonging standard comprises a standard number, a standard name and a standard state; the standard system comprises a system name and a node path; the standard penetrating condition comprises a product name, a product model, a matched model and a development unit.
Compared with the prior art, the application has the advantages that:
① the invention makes the product demand definition phase able to quote standard terms more scientifically and conveniently, when the standard index is quoted, the needed standard index can be retrieved quickly and selected, the demand definition of the invention is more scientific, and the standard index can be updated, modified and traced.
② the invention makes the application of standard more accurate, and can be detailed to standard terms and indexes, which is helpful to select more suitable index content.
③ the invention can learn by itself, and can gradually accumulate and expand the data in the standard index content library, the standard index adoption library and the product requirement library.
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FIG. 1 is a schematic flow diagram of the present invention;
FIG. 2 is a schematic diagram of a standard index according to the present invention;
FIG. 3 is a schematic diagram of an analytic hierarchy process of standard index attribute weight coefficients according to the present invention
Detailed Description
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
According to the method, the product requirement definition method based on the standard index library is established, so that various operations such as definition, optimization, tracing and the like can be performed on the product requirement by directly using the standard indexes in the requirement definition stage, and the method is further described in detail below by combining the drawings and the specific implementation method.
Specifically, the invention provides a product requirement definition and tracing method based on a standard index library, which comprises the following steps:
s1: establishing data connection: storing the structured data of the standard index in a relational database, establishing access connection between the relational database and a demand management tool, configuring a connection interface, establishing connection between the standard index database containing demand items to be defined and the demand management tool, and adding an access interface of a standard index retrieval interface in the demand management tool;
s2: and (3) standard index retrieval: opening a demand management tool, selecting demand items to be defined, finding a standard index retrieval interface in the demand management tool, inputting keyword retrieval standard index data of the demand items to be defined, accessing a standard index database by the demand management tool, and returning a retrieval result according to keyword information;
s3: and (3) standard index comparison: obtaining one or more standard indexes according to a retrieval result obtained by keyword retrieval, when the standard indexes are multiple, comparing the contents of the multiple standard indexes, selecting standard index data to be compared in the comparison process, adding all the standard index data to be compared into a standard index comparison list, and respectively comparing the attribute contents of the standard indexes to obtain a comparison result, wherein the specific standard index comparison method comprises the following steps:
comparing the standard indexes, determining the weight coefficient values of all attributes of the standard indexes by adopting an analytic hierarchy process, calculating a demand conformance result of each standard index through a standard index comparison calculation model, and selecting one standard index with the highest demand conformance as the final standard index;
the standard index comparison calculation model is as follows:
Figure BDA0002418455200000051
in the formula: sigmaiA weight coefficient being an attribute of the standard index; x is the number ofiThe standard indexes are attributes of the standard indexes, and the attributes of the standard indexes comprise an index name x1, an index clause x2, a standard name x3, an index value x4, an index chart x5, a test method x6, a product name x7, a superior product x8 and a test method chart x 9;
the method for determining the weight coefficient value of each attribute of the standard index comprises the following steps:
a. determining a relative importance judgment matrix of standard indexes and carrying out consistency check by constructing an analytic hierarchy process model according to the relative weight ratio of coefficients and a consistency check rule,obtaining a weight coefficient sigma of an attribute of a standard indexiThe standard index importance weight coefficient vector matrix is as follows:
Figure BDA0002418455200000052
Figure BDA0002418455200000061
b. verifying the weight coefficient of the standard index importance weight coefficient vector matrix: in the analytic hierarchy process model, the consistency ratio is 0.0484, and a target coefficient 1.0000 conforming to the analytic hierarchy process model is obtained by calculation according to the standard index importance weight coefficient vector; λ max is 9.5651; proving that the weight coefficient of the matrix meets the requirement;
c. obtaining a weight coefficient sigma of an attribute of a standard indexiAs shown in the following table:
index attribute Weight coefficient
Index name 0.2126
Terms of the index 0.2045
Standard name 0.1554
Product name 0.111
Index value 0.0945
Superior product 0.0924
Index chart 0.0587
Test method 0.0411
Test method chart 0.0299
S4: selecting standard indexes: and selecting a standard index with the highest standard conformity value as a requirement item to be defined, and if the clause requirement of the selected standard index is not completely suitable for the requirement, cutting or modifying the clause content of the standard index according to the actual condition.
The step S3 includes the following sub-steps:
s31: adding the standard indexes into a comparison list, and adding a plurality of standard indexes;
s32: and viewing the comparison list, wherein the viewable information comprises the chapter number, the index name, the index clause, the associated information, the standard system and the product model of the standard index.
Preferably, the data of the standard index library is structured and processed to form structured data in the form of standard indexes, and the structured data is stored in a relational database for being applied to the requirement definition stage, so that the requirement management tool can be conveniently connected and accessed.
Preferably, the requirement management tool stores requirement files, is used for requirement definition, authority management and state management, and can perform standard index database access, standard index retrieval and standard index selection.
Preferably, the standard retrieval adopts a mode comprising full-library retrieval and conditional retrieval, wherein the full-library retrieval is to retrieve standard index information according to keywords; the retrieval conditions that can be used for the condition retrieval include a standard name, a standard number, an index name, index terms, an index value, a higher-level index, a chapter number, a product name, and a higher-level product.
Preferably, the attributes of the standard indexes comprise index information, associated information, the affiliated standard system and a standard passing condition, wherein the index information comprises a product name, a superior product, a chapter number, an index name, a superior index, an index value, an index clause, an index chart, a test method chapter number, a test method chart and a test method; the associated information comprises experience training, cost information and risk information; the belonging standard comprises a standard number, a standard name and a standard state; the standard system comprises a system name and a node path; the standard penetrating condition comprises a product name, a product model, a matched model and a development unit.
DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION
The working principle of the invention is further explained below by taking the design requirements of the aircraft as an example:
the requirement document of the airplane design comprises various subsystems, such as the design of a navigation system, software and hardware requirements of the lower level of the navigation system, navigation precision, navigation targets and the like, when a certain requirement is met, such as a navigation precision error, the navigation precision can be input in a retrieval interface, and a retrieval result can have one standard index or a plurality of standard indexes.
And then carrying out weight analysis on different standard indexes, analyzing the most appropriate standard index, selecting one standard index with the highest standard conformity value, and cutting or modifying the standard index clause content according to the actual condition if the clause requirement of the selected standard index is not completely suitable for the requirement. If the relevant standard indexes are not searched, the fact that corresponding standards do not exist in the database is proved, the relevant standard indexes can be determined according to other modes, the data of the standard indexes are added into the database, and therefore the system can conveniently conduct self-learning and can be called next time.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements made to the technical solution of the present invention by those skilled in the art without departing from the spirit of the present invention shall fall within the protection scope defined by the claims of the present invention.

Claims (6)

1. A product demand definition and tracing method based on a standard index library is characterized in that: the method comprises the following steps:
s1: establishing data connection: storing the structured data of the standard index in a relational database, establishing access connection between the relational database and a demand management tool, configuring a connection interface, establishing connection between the standard index database containing demand items to be defined and the demand management tool, and adding an access interface of a standard index retrieval interface in the demand management tool;
s2: and (3) standard index retrieval: opening a demand management tool, selecting demand items to be defined, finding a standard index retrieval interface in the demand management tool, inputting keyword retrieval standard index data of the demand items to be defined, accessing a standard index database by the demand management tool, and returning a retrieval result according to keyword information;
s3: and (3) standard index comparison: obtaining one or more standard indexes according to a retrieval result obtained by keyword retrieval, when the standard indexes are multiple, comparing the contents of the multiple standard indexes, selecting standard index data to be compared in the comparison process, adding all the standard index data to be compared into a standard index comparison list, and respectively comparing the attribute contents of the standard indexes to obtain a comparison result, wherein the specific standard index comparison method comprises the following steps:
comparing the standard indexes, determining the weight coefficient values of all attributes of the standard indexes by adopting an analytic hierarchy process, calculating a demand conformance result of each standard index through a standard index comparison calculation model, and selecting one standard index with the highest demand conformance as the final standard index;
the standard index comparison calculation model is as follows:
Figure FDA0002418455190000011
in the formula: sigmaiA weight coefficient being an attribute of the standard index; x is the number ofiThe standard indexes are attributes of the standard indexes, and the attributes of the standard indexes comprise an index name x1, an index clause x2, a standard name x3, an index value x4, an index chart x5, a test method x6, a product name x7, a superior product x8 and a test method chart x 9;
the method for determining the weight coefficient value of each attribute of the standard index comprises the following steps:
a. determining a relative importance judgment matrix of the standard index and carrying out consistency check according to the relative weight ratio of the coefficient and the consistency check rule by constructing an analytic hierarchy process model to obtain a weight coefficient sigma of the attribute of the standard indexiThe standard index importance weight coefficient vector matrix is as follows:
index attribute x1 x2 x3 x4 x5 x6 x7 x8 x9 σi x1 1 1 3 3 3 4 2 2 4 0.2126 x2 1 1 1 3 3 4 3 3 5 0.2045 x3 0.3333 1 1 2 3 4 2 2 4 0.1554 x4 0.3333 0.3333 0.5 1 3 3 1 1 3 0.0945 x5 0.3333 0.3333 0.3333 0.3333 1 3 0.3333 0.3333 3 0.0587 x6 0.25 0.25 0.25 0.3333 0.3333 1 0.3333 0.3333 3 0.0411 x7 0.5 0.3333 0.5 1 3 3 1 2 4 0.111 x8 0.5 0.3333 0.5 1 3 3 0.5 1 3 0.0924 x9 0.25 0.2 0.25 0.3333 0.3333 0.3333 0.25 0.3333 1 0.0299
b. Verifying the weight coefficient of the standard index importance weight coefficient vector matrix: in the analytic hierarchy process model, the consistency ratio is 0.0484, and a target coefficient 1.0000 conforming to the analytic hierarchy process model is obtained by calculation according to the standard index importance weight coefficient vector; λ max is 9.5651; proving that the weight coefficient of the matrix meets the requirement;
c. obtaining a weight coefficient sigma of an attribute of a standard indexiAs shown in the following table:
index attribute Weight coefficient Index name 0.2126 Terms of the index 0.2045 Standard name 0.1554 Product name 0.111 Index value 0.0945 Superior product 0.0924 Index chart 0.0587 Test method 0.0411 Test method chart 0.0299
S4: selecting standard indexes: and selecting a standard index with the highest standard conformity value as a requirement item to be defined, and if the clause requirement of the selected standard index is not completely suitable for the requirement, cutting or modifying the clause content of the standard index according to the actual condition.
2. The method for product demand definition and traceability based on a standard index library as claimed in claim 1, wherein: the data of the standard index library is structured and processed to form structured data in a standard index form, and the structured data is stored in a relational database for being applied to a requirement definition stage, so that a requirement management tool can be conveniently connected and accessed.
3. The method for product demand definition and traceability based on a standard index library as claimed in claim 1, wherein: the requirement management tool stores requirement files, is used for requirement definition, authority management and state management, and can access a standard index database, retrieve standard indexes and select standard indexes.
4. The method for product demand definition and traceability based on a standard index library as claimed in claim 2, wherein: the standard retrieval adopts a mode comprising full-base retrieval and conditional retrieval, wherein the full-base retrieval is to retrieve standard index information according to keywords; the retrieval conditions that can be used for the condition retrieval include a standard name, a standard number, an index name, index terms, an index value, a higher-level index, a chapter number, a product name, and a higher-level product.
5. The method for product demand definition and traceability based on a standard index library as claimed in claim 2, wherein: the attributes of the standard indexes comprise index information, associated information, the affiliated standard system and the standard passing condition.
6. The method for product requirement definition and traceability based on a standard index library of claim 5, wherein: the index information comprises a product name, a superior product, a chapter number, an index name, a superior index, an index value, an index clause, an index chart, a test method chapter number, a test method chart and a test method; the associated information comprises experience training, cost information and risk information; the belonging standard comprises a standard number, a standard name and a standard state; the standard system comprises a system name and a node path; the standard penetrating condition comprises a product name, a product model, a matched model and a development unit.
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CN115619266A (en) * 2022-10-12 2023-01-17 中国航空综合技术研究所 Index acquisition method for aviation equipment research and development activities

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